<template>
  <div class="login">
    <div class="customLogin">
      <div class="main">
        <div class="leftImg">
          <img alt="背景图" src="../assets/images/loginBg.png" class="img">
          <div class="logo">
            <img alt="LOGO" src="../assets/images/loginLogo.png">
          </div>
        </div>
        <div class="content">
          <span class="title">EC-LINK资产管理系统</span>
          <div class="slogan">高效易用的资产管理系统</div>
          <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
            <el-form-item prop="username">
              <el-input
                v-model="loginForm.username"
                type="text"
                auto-complete="off"
                placeholder="账号"
              >
                <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
              </el-input>
            </el-form-item>
            <el-form-item prop="password">
              <el-input
                v-model="loginForm.password"
                type="password"
                auto-complete="off"
                placeholder="密码"
                @keyup.enter.native="handleLogin"
              >
                <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
              </el-input>
            </el-form-item>
            <el-form-item prop="code" v-if="captchaEnabled">
              <el-input
                v-model="loginForm.code"
                auto-complete="off"
                placeholder="验证码"
                style="width: 63%"
                @keyup.enter.native="handleLogin"
              >
                <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
              </el-input>
              <div class="login-code">
                <img alt="验证码" :src="codeUrl" @click="getCode" class="login-code-img"/>
              </div>
            </el-form-item>
            <el-checkbox v-model="loginForm.rememberMe" style="margin:0 0 25px 0">记住密码</el-checkbox>
            <el-form-item style="width:100%;">
              <el-button
                :loading="loading"
                type="primary"
                style="width:100%;"
                @click.native.prevent="handleLogin"
              >
                <span v-if="!loading">登 录</span>
                <span v-else>登 录 中...</span>
              </el-button>
              <div style="float: right;" v-if="register">
                <router-link class="link-type" :to="'/register'">立即注册</router-link>
              </div>
            </el-form-item>
          </el-form>
          
        </div>
      </div>
      <div class="copyright">
        <div class="txt">版权所有 © 2024 EC-LINK资产管理系统</div>
      </div>
    </div>
    <div class="el-loading-mask" style="display: none;">
      <div class="el-loading-spinner"><svg viewBox="25 25 50 50" class="circular">
          <circle cx="50" cy="50" r="20" fill="none" class="path"></circle>
        </svg><!----></div>
    </div>
  </div>
</template>

<script setup>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";
import useUserStore from '@/store/modules/user'

const userStore = useUserStore()
const route = useRoute();
const router = useRouter();

const { proxy } = getCurrentInstance();

const loginForm = ref({
  username: "admin",
  password: "admin123",
  rememberMe: false,
  code: "",
  uuid: ""
});

const loginRules = {
  username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }]
};

const codeUrl = ref("");
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(false);
// 注册开关
const register = ref(false);
const redirect = ref(undefined);

const loginRef = ref();

watch(route, (newRoute) => {
  redirect.value = newRoute.query && newRoute.query.redirect;
}, { immediate: true });

function handleLogin() {

  loginRef.value.validate(valid => {
    if (valid) {
      loading.value = true;
      // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        Cookies.set("username", loginForm.value.username, { expires: 30 });
        Cookies.set("password", encrypt(loginForm.value.password), { expires: 30 });
        Cookies.set("rememberMe", loginForm.value.rememberMe, { expires: 30 });
      } else {
        // 否则移除
        Cookies.remove("username");
        Cookies.remove("password");
        Cookies.remove("rememberMe");
      }
      // 调用action的登录方法
      userStore.login(loginForm.value).then(() => {
        const query = route.query;
        const otherQueryParams = Object.keys(query).reduce((acc, cur) => {
          if (cur !== "redirect") {
            acc[cur] = query[cur];
          }
          return acc;
        }, {});
        router.push({ path: redirect.value || "/", query: otherQueryParams });
      }).catch(() => {
        loading.value = false;
        // 重新获取验证码
        if (captchaEnabled.value) {
          getCode();
        }
      });
    }
  });
}

function getCode() {
  getCodeImg().then(res => {
    captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled;
    if (captchaEnabled.value) {
      codeUrl.value = "data:image/gif;base64," + res.img;
      loginForm.value.uuid = res.uuid;
    }
  });
}

function getCookie() {
  const username = Cookies.get("username");
  const password = Cookies.get("password");
  const rememberMe = Cookies.get("rememberMe");
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password: password === undefined ? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
  };
}

// getCode();
getCookie();
</script>

<style rel="stylesheet/scss" lang="scss">

.login {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.customLogin .main .leftImg .logo {
    height: 40px;
    position: absolute;
    top: 40px;
    left: 48px;
}

.customLogin .main {
    width: 1120px;
    height: 600px;
    border: 1px solid #dfdede;
    box-shadow: 0 0 10px 5px rgba(0,0,0,.1);
    border-radius: 20px;
    margin: 0 auto;
}
.customLogin, .customLogin .main {
    background-color: #fff;
    overflow: hidden;
    display: flex;
}

.customLogin, .customLogin .main {
    background-color: #fff;
    overflow: hidden;
    display: flex;
}

.customLogin .main .leftImg {
    width: 640px;
    background-color: #e6e6e6;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.customLogin .main .content {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.customLogin .main .content .title {
    font-size: 28px;
    font-weight: 700;
}

.customLogin .main .content .slogan {
    font-size: 14px;
    color: #5c5e66;
    margin-top: 14px;
}

.customLogin {
    width: 100%;
    height: 100%;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.customLogin .main .leftImg .img {
    width: 75%;
}

img {
    overflow-clip-margin: content-box;
    overflow: clip;
}

.color-main {
  color: #409EFF;
}

.font-extra-large {
  font-size: 20px;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;

  .el-input {
    height: 38px;

    input {
      height: 38px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 38px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 38px;
}

.customLogin .copyright {
    width: 100%;
    line-height: 28px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    box-sizing: border-box;
    position: fixed;
    bottom: 22px;
    left: 0;
}


</style>
